5 files changed, 7 insertions, 4 deletions
diff --git a/modules/devices/dmi.c b/modules/devices/dmi.c
index c1915638..263d6944 100644
--- a/modules/devices/dmi.c
+++ b/modules/devices/dmi.c
@@ -149,7 +149,7 @@ gboolean dmi_get_info(void)
     return dmi_succeeded;
 }
 
-void __scan_dmi()
+void __scan_dmi(void)
 {
   gboolean dmi_ok;
 
diff --git a/modules/devices/gpu.c b/modules/devices/gpu.c
index 16267536..96520161 100644
--- a/modules/devices/gpu.c
+++ b/modules/devices/gpu.c
@@ -24,8 +24,6 @@
 #include "devices.h"
 #include "gpu_util.h"
 
-void scan_gpu_do(void);
-
 gchar *gpu_list = NULL;
 gchar *gpu_summary = NULL;
 
diff --git a/modules/devices/inputdevices.c b/modules/devices/inputdevices.c
index a4b4ac73..54828b79 100644
--- a/modules/devices/inputdevices.c
+++ b/modules/devices/inputdevices.c
@@ -20,6 +20,7 @@
 
 #include "hardinfo.h"
 #include "devices.h"
+#include "usb_util.h"
 
 gchar *input_icons = NULL;
 
diff --git a/modules/devices/pci.c b/modules/devices/pci.c
index be816c46..c7114672 100644
--- a/modules/devices/pci.c
+++ b/modules/devices/pci.c
@@ -177,7 +177,7 @@ void scan_pci_do(void) {
     gchar *pci_icons = g_strdup("");
 
     pcid_list list = pci_get_device_list(0,0);
-    list = g_slist_sort(list, pcid_cmp_by_addy);
+    list = g_slist_sort(list, (GCompareFunc)pcid_cmp_by_addy);
     GSList *l = list;
 
     int c = 0;
diff --git a/modules/devices/printers.c b/modules/devices/printers.c
index 655d73c5..25a6edd7 100644
--- a/modules/devices/printers.c
+++ b/modules/devices/printers.c
@@ -16,6 +16,10 @@
  *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#ifndef _XOPEN_SOURCE
+  #define _XOPEN_SOURCE
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>